TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 730

• Manufacturer Part Number: TX4939XBG-400
• Manufacturer: Toshiba

Specifications of TX4939XBG-400

• Cpu Core: TX49/H4 90nm
• Clock Mhz/max Mips: 400/520
• Inst./data Cache: 32KB (4 Way)/32KB (4 Way)
• Tlb: x
• 1cycle Mac: x
• Volts (v): 1.25/2.5/3.3
• Peripherals: DDR, NAND, ATA, ETHERNET, SECURITY, FPU, MMU, SPI, I2S, I2C, PCI, VIDEO, UART, TIMER, RTC
• Companion Chip: TC86C001FG
• Package: PGBA456

Electrical
28.4.7. SPI AC characteristics
Rev. 3.1 November 1, 2005
SPICLK Cycle Time
SPICLK Frequency
SPICLK High Time
SPICLK Low Time
SPIOUT Output Delay Time
SPIIN Input Setup Time
SPIIN Input Hold Time
(Tc = 0 - 85°C, VDD33 = 3.3 V ± 0.2 V, VDD25 = 2.5 V ± 0.2 V, VDDC = 1.25 V ± 0.062 V, VSS = 0 V)
SPICLK
SPICLK
SPIOUT
(SPOL = 0)
SDIN
(SPOL = 0)
SPICLK
SPIOUT
(SPOL = 0)
SDIN
(SPOL = 0)
Item
f
f
t
t
t
t
t
CYC_SPICLK
SPICLK
HIGH_SPICLK
LOW_SPICLK
VAL_SPIOUT
SU_SPIIN
HO_SPIIN
Figure 28-14 Timing Diagram: SPI Interface
Symbol
SPI Interface Timing Diagram
t
HIGH_SPICLK
t
CYC_SPICLK
28-14
t
LOW_SPICLK
Conditions
t
t
VAL_SPIOUT
VAL_SPIOUT
t
t
SU_SPIIN
SU_SPIIN
t
t
2 × t
HO_SPIIN
HO_SPIIN
t
t
Toshiba RISC Processor
Min.
MCP
MCP
TBD
TBD
0.9
0.9
⎯
⎯
MCP
×
×
Max.
TBD
f
MCK
⎯
⎯
⎯
⎯
⎯
Unit
MHz
ns
ns
ns
ns
ns
ns
TX4939
28
28